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GCE-LTER Data Set Summary

Accession: PLT-GCEM-1801c Research Theme: Plant Ecology (Monitoring)
Contributor: Steven C. Pennings
Title: Disturbance to monitoring plots at Altamaha River Plant Transition Sites SCSA, ZSC1, and ZSC2 from 2013 to 2023.
Abstract: We established permanent vegetation monitoring plots at Altamaha River plant transition sites in 2012. Starting in 2013, when we recorded plant sizes, we also noted any disturbance to the plots. Plots were scored as normal (no visible disturbance), disturbed by wrack (wrack present in plots and stems dead or broken), disturbed by snails (>100 Littoraria per square meter and plant biomass low), disturbed by pigs (animal trail through the plot), initial slump (plot at the creekbank sliding into the creek based on movement of pvc poles or formation of a crevasse), and terminal slump (plot had slid far enough down that vegetation had drowned). Plots that experienced terminal slump or could not be found for any reason were scored as lost. Lost plots were replaced with a new plot in the same general area with the plot code incremented by 10. For example if plot 3 was lost, it was replaced by 13, and then in turn by 23.
DOI: 10.6073/pasta/d3709c4dc304cf55c903a64658c82870
Key Words: Altamaha River, Angiospermae, Animalia, Bilateria, disturbance, Embryophyta, Gastropoda, GCE, geomorphology, Georgia, Georgia Coastal Ecosystems, Juncaceae, Juncus, Juncus roemerianus, Lilianae, Littoraria, littoraria irrorata, Littorinidae, Lophozoa, LTER, Magnoliopsida, Mollusca, Neotaenioglossa, Plantae, Poaceae, Poales, Protostomia, Spartina, Spartina alterniflora, Spermatophytina, Streptophyta, Tracheophyta, USA, Viridaeplantae, Viridiplantae, wrack, Zizaniopsis, Zizaniopsis miliacea
LTER Core Area: Disturbance Patterns
Research Themes: Plant Ecology
Study Period: 01-Oct-2012 to 31-Oct-2023
Study Sites:
SCSA -- SCSA Altamaha Plant Transition Site, Georgia, USA
ZSC1 -- ZSC1 Altamaha Plant Transition Site, Georgia, USA
ZSC2 -- ZSC2 Altamaha Plant Transition Site, Georgia, USA
» Download Geographic Coverage: Google Earth
Species References: Juncus roemerianus, Littoraria irrorata, Spartina alterniflora, Zizaniopsis miliacea
Downloads: Information

Data Table: PLT-GCEM-1801c (Main data table for data set PLT-GCEM-1801c, 273 records)

Access: Public (released 09-Feb-2021)

Metadata: Text (ESA FLED), XML (Ecological Metadata Language)

Data Formats: Spreadsheet (CSV) [9.88kb],  Text File [8.02kb],  MATLAB (GCE Toolbox) [22.65kb],  MATLAB (Variables) [25.98kb],  Text Report [32.09kb]

Column List:(hide)

Column Name Units Type Description
1 Day DD integer Day of observation
2 Month MM integer Month of Observation
3 Year YYYY integer Year of observation
4 Site none string GCE LTER sampling site
5 Zone none integer Nominal marsh zone
6 Plot none integer Permanent plot number
7 Condition none string Condition of permanent plot
8 Observation none string Observation of any disturbances in the permanent plot
9 Replacement none integer Plot number of the replacement plot
10 Notes none string Notes from the field logs
Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Pennings, Steven C. 2021. Disturbance to monitoring plots at Altamaha River Plant Transition Sites SCSA, ZSC1, and ZSC2 from 2013 to 2023. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/d3709c4dc304cf55c903a64658c82870

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This material is based upon work supported by the National Science Foundation under grants OCE-9982133, OCE-0620959, OCE-1237140 and OCE-1832178. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.